from uuid import UUID from sqlalchemy import ForeignKey from sqlalchemy.orm import Mapped, mapped_column from app.database import Base class PinnedMessage(Base): __tablename__ = "pinned_message" chat_id: Mapped[int] = mapped_column(ForeignKey("chat.id")) message_id: Mapped[UUID] = mapped_column(primary_key=True) user_id: Mapped[int] = mapped_column(ForeignKey("users.id"), primary_key=True)